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Finding the Fourth Proportional to 555.32, 832.88 and 185.12

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Solution

The fourth proportional to 555.32, 832.88 and 185.12 is: 277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.32 : 832.88 = 185.12 : x
  2. Step 2: Convert to fraction form
    555.32/832.88 = 185.12/x
  3. Step 3: Cross multiply
    555.32x = 832.88 × 185.12
  4. Step 4: Simplify right side
    555.32x = 154,182.75
  5. Step 5: Solve for x
    x = 154,182.75/555.32
  6. Step 6: Final answer
    x = 277.65

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Double scale
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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.