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Finding the Fourth Proportional to 500.97, 751.47 and 154.32

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Solution

The fourth proportional to 500.97, 751.47 and 154.32 is: 231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.97 : 751.47 = 154.32 : x
  2. Step 2: Convert to fraction form
    500.97/751.47 = 154.32/x
  3. Step 3: Cross multiply
    500.97x = 751.47 × 154.32
  4. Step 4: Simplify right side
    500.97x = 115,966.85
  5. Step 5: Solve for x
    x = 115,966.85/500.97
  6. Step 6: Final answer
    x = 231.48

Related Problems

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Half scale
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Double scale
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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.