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Finding the Fourth Proportional to 365.52, 545.03 and 360.93

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Solution

The fourth proportional to 365.52, 545.03 and 360.93 is: 538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.52 : 545.03 = 360.93 : x
  2. Step 2: Convert to fraction form
    365.52/545.03 = 360.93/x
  3. Step 3: Cross multiply
    365.52x = 545.03 × 360.93
  4. Step 4: Simplify right side
    365.52x = 196,718.58
  5. Step 5: Solve for x
    x = 196,718.58/365.52
  6. Step 6: Final answer
    x = 538.19

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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.