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Finding the Fourth Proportional to 591.60, 883.02 and 555.12

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Solution

The fourth proportional to 591.60, 883.02 and 555.12 is: 828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.60 : 883.02 = 555.12 : x
  2. Step 2: Convert to fraction form
    591.60/883.02 = 555.12/x
  3. Step 3: Cross multiply
    591.60x = 883.02 × 555.12
  4. Step 4: Simplify right side
    591.60x = 490,182.06
  5. Step 5: Solve for x
    x = 490,182.06/591.60
  6. Step 6: Final answer
    x = 828.57

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Double scale
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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.