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Finding the Fourth Proportional to 585.56, 875.75 and 521.01

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Solution

The fourth proportional to 585.56, 875.75 and 521.01 is: 779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.56 : 875.75 = 521.01 : x
  2. Step 2: Convert to fraction form
    585.56/875.75 = 521.01/x
  3. Step 3: Cross multiply
    585.56x = 875.75 × 521.01
  4. Step 4: Simplify right side
    585.56x = 456,271.90
  5. Step 5: Solve for x
    x = 456,271.90/585.56
  6. Step 6: Final answer
    x = 779.21

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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.