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Finding the Fourth Proportional to 581.67, 801.57 and 463.26

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Solution

The fourth proportional to 581.67, 801.57 and 463.26 is: 638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.67 : 801.57 = 463.26 : x
  2. Step 2: Convert to fraction form
    581.67/801.57 = 463.26/x
  3. Step 3: Cross multiply
    581.67x = 801.57 × 463.26
  4. Step 4: Simplify right side
    581.67x = 371,335.32
  5. Step 5: Solve for x
    x = 371,335.32/581.67
  6. Step 6: Final answer
    x = 638.40

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.