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Finding the Fourth Proportional to 555.49, 833.16 and 185.29

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Solution

The fourth proportional to 555.49, 833.16 and 185.29 is: 277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.49 : 833.16 = 185.29 : x
  2. Step 2: Convert to fraction form
    555.49/833.16 = 185.29/x
  3. Step 3: Cross multiply
    555.49x = 833.16 × 185.29
  4. Step 4: Simplify right side
    555.49x = 154,376.22
  5. Step 5: Solve for x
    x = 154,376.22/555.49
  6. Step 6: Final answer
    x = 277.91

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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.