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Finding the Fourth Proportional to 403.08, 601.64 and 373.77

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Solution

The fourth proportional to 403.08, 601.64 and 373.77 is: 557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.08 : 601.64 = 373.77 : x
  2. Step 2: Convert to fraction form
    403.08/601.64 = 373.77/x
  3. Step 3: Cross multiply
    403.08x = 601.64 × 373.77
  4. Step 4: Simplify right side
    403.08x = 224,874.98
  5. Step 5: Solve for x
    x = 224,874.98/403.08
  6. Step 6: Final answer
    x = 557.89

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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.