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Finding the Fourth Proportional to 624.10, 936.91 and 617.17

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Solution

The fourth proportional to 624.10, 936.91 and 617.17 is: 926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.10 : 936.91 = 617.17 : x
  2. Step 2: Convert to fraction form
    624.10/936.91 = 617.17/x
  3. Step 3: Cross multiply
    624.10x = 936.91 × 617.17
  4. Step 4: Simplify right side
    624.10x = 578,228.06
  5. Step 5: Solve for x
    x = 578,228.06/624.10
  6. Step 6: Final answer
    x = 926.50

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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.