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Finding the Fourth Proportional to 527.49, 791.57 and 284.18

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Solution

The fourth proportional to 527.49, 791.57 and 284.18 is: 426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.49 : 791.57 = 284.18 : x
  2. Step 2: Convert to fraction form
    527.49/791.57 = 284.18/x
  3. Step 3: Cross multiply
    527.49x = 791.57 × 284.18
  4. Step 4: Simplify right side
    527.49x = 224,947.65
  5. Step 5: Solve for x
    x = 224,947.65/527.49
  6. Step 6: Final answer
    x = 426.45

Related Problems

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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.