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Finding the Fourth Proportional to 623.45, 935.18 and 606.17

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Solution

The fourth proportional to 623.45, 935.18 and 606.17 is: 909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.45 : 935.18 = 606.17 : x
  2. Step 2: Convert to fraction form
    623.45/935.18 = 606.17/x
  3. Step 3: Cross multiply
    623.45x = 935.18 × 606.17
  4. Step 4: Simplify right side
    623.45x = 566,878.06
  5. Step 5: Solve for x
    x = 566,878.06/623.45
  6. Step 6: Final answer
    x = 909.26

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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.