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Finding the Fourth Proportional to 1,697.36, 2,545.06 and 527.06

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Solution

The fourth proportional to 1,697.36, 2,545.06 and 527.06 is: 790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.36 : 2,545.06 = 527.06 : x
  2. Step 2: Convert to fraction form
    1,697.36/2,545.06 = 527.06/x
  3. Step 3: Cross multiply
    1,697.36x = 2,545.06 × 527.06
  4. Step 4: Simplify right side
    1,697.36x = 1,341,399.32
  5. Step 5: Solve for x
    x = 1,341,399.32/1,697.36
  6. Step 6: Final answer
    x = 790.29

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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.