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Finding the Fourth Proportional to 730.02, 1,095.10 and 236.31

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Solution

The fourth proportional to 730.02, 1,095.10 and 236.31 is: 354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.02 : 1,095.10 = 236.31 : x
  2. Step 2: Convert to fraction form
    730.02/1,095.10 = 236.31/x
  3. Step 3: Cross multiply
    730.02x = 1,095.10 × 236.31
  4. Step 4: Simplify right side
    730.02x = 258,783.08
  5. Step 5: Solve for x
    x = 258,783.08/730.02
  6. Step 6: Final answer
    x = 354.49

Related Problems

Find fourth proportional to 365.01, 547.55 and 118.16
Half scale
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Double scale
Find fourth proportional to 731.02, 1,096.60 and 237.31
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.