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Finding the Fourth Proportional to 501.32, 748.95 and 436.59

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Solution

The fourth proportional to 501.32, 748.95 and 436.59 is: 652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.32 : 748.95 = 436.59 : x
  2. Step 2: Convert to fraction form
    501.32/748.95 = 436.59/x
  3. Step 3: Cross multiply
    501.32x = 748.95 × 436.59
  4. Step 4: Simplify right side
    501.32x = 326,982.44
  5. Step 5: Solve for x
    x = 326,982.44/501.32
  6. Step 6: Final answer
    x = 652.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.