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Finding the Fourth Proportional to 743.04, 1,114.63 and 223.01

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Solution

The fourth proportional to 743.04, 1,114.63 and 223.01 is: 334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    743.04 : 1,114.63 = 223.01 : x
  2. Step 2: Convert to fraction form
    743.04/1,114.63 = 223.01/x
  3. Step 3: Cross multiply
    743.04x = 1,114.63 × 223.01
  4. Step 4: Simplify right side
    743.04x = 248,569.73
  5. Step 5: Solve for x
    x = 248,569.73/743.04
  6. Step 6: Final answer
    x = 334.53

Related Problems

Find fourth proportional to 371.52, 557.31 and 111.50
Half scale
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Double scale
Find fourth proportional to 744.04, 1,116.13 and 224.01
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.