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Finding the Fourth Proportional to 627.49, 935.11 and 608.71

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Solution

The fourth proportional to 627.49, 935.11 and 608.71 is: 907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.49 : 935.11 = 608.71 : x
  2. Step 2: Convert to fraction form
    627.49/935.11 = 608.71/x
  3. Step 3: Cross multiply
    627.49x = 935.11 × 608.71
  4. Step 4: Simplify right side
    627.49x = 569,210.81
  5. Step 5: Solve for x
    x = 569,210.81/627.49
  6. Step 6: Final answer
    x = 907.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.