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Finding the Fourth Proportional to 501.52, 752.55 and 193.59

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Solution

The fourth proportional to 501.52, 752.55 and 193.59 is: 290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.52 : 752.55 = 193.59 : x
  2. Step 2: Convert to fraction form
    501.52/752.55 = 193.59/x
  3. Step 3: Cross multiply
    501.52x = 752.55 × 193.59
  4. Step 4: Simplify right side
    501.52x = 145,686.15
  5. Step 5: Solve for x
    x = 145,686.15/501.52
  6. Step 6: Final answer
    x = 290.49

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Double scale
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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.