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Finding the Fourth Proportional to 491.91, 737.16 and 370.26

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Solution

The fourth proportional to 491.91, 737.16 and 370.26 is: 554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    491.91 : 737.16 = 370.26 : x
  2. Step 2: Convert to fraction form
    491.91/737.16 = 370.26/x
  3. Step 3: Cross multiply
    491.91x = 737.16 × 370.26
  4. Step 4: Simplify right side
    491.91x = 272,943.63
  5. Step 5: Solve for x
    x = 272,943.63/491.91
  6. Step 6: Final answer
    x = 554.86

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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.