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Finding the Fourth Proportional to 731.36, 1,097.15 and 244.31

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Solution

The fourth proportional to 731.36, 1,097.15 and 244.31 is: 366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.36 : 1,097.15 = 244.31 : x
  2. Step 2: Convert to fraction form
    731.36/1,097.15 = 244.31/x
  3. Step 3: Cross multiply
    731.36x = 1,097.15 × 244.31
  4. Step 4: Simplify right side
    731.36x = 268,038.01
  5. Step 5: Solve for x
    x = 268,038.01/731.36
  6. Step 6: Final answer
    x = 366.50

Related Problems

Find fourth proportional to 365.68, 548.57 and 122.15
Half scale
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Double scale
Find fourth proportional to 732.36, 1,098.65 and 245.31
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.