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Finding the Fourth Proportional to 958.23, 1,437.35 and 471.16

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Solution

The fourth proportional to 958.23, 1,437.35 and 471.16 is: 706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.23 : 1,437.35 = 471.16 : x
  2. Step 2: Convert to fraction form
    958.23/1,437.35 = 471.16/x
  3. Step 3: Cross multiply
    958.23x = 1,437.35 × 471.16
  4. Step 4: Simplify right side
    958.23x = 677,221.27
  5. Step 5: Solve for x
    x = 677,221.27/958.23
  6. Step 6: Final answer
    x = 706.74

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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.