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Finding the Fourth Proportional to 588.72, 883.71 and 445.35

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Solution

The fourth proportional to 588.72, 883.71 and 445.35 is: 668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.72 : 883.71 = 445.35 : x
  2. Step 2: Convert to fraction form
    588.72/883.71 = 445.35/x
  3. Step 3: Cross multiply
    588.72x = 883.71 × 445.35
  4. Step 4: Simplify right side
    588.72x = 393,560.25
  5. Step 5: Solve for x
    x = 393,560.25/588.72
  6. Step 6: Final answer
    x = 668.50

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Double scale
Find fourth proportional to 589.72, 885.21 and 446.35
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.