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Finding the Fourth Proportional to 904.96, 1,248.86 and 532.04

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Solution

The fourth proportional to 904.96, 1,248.86 and 532.04 is: 734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.96 : 1,248.86 = 532.04 : x
  2. Step 2: Convert to fraction form
    904.96/1,248.86 = 532.04/x
  3. Step 3: Cross multiply
    904.96x = 1,248.86 × 532.04
  4. Step 4: Simplify right side
    904.96x = 664,443.47
  5. Step 5: Solve for x
    x = 664,443.47/904.96
  6. Step 6: Final answer
    x = 734.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.