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Finding the Fourth Proportional to 369.74, 549.64 and 358.82

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Solution

The fourth proportional to 369.74, 549.64 and 358.82 is: 533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.74 : 549.64 = 358.82 : x
  2. Step 2: Convert to fraction form
    369.74/549.64 = 358.82/x
  3. Step 3: Cross multiply
    369.74x = 549.64 × 358.82
  4. Step 4: Simplify right side
    369.74x = 197,221.82
  5. Step 5: Solve for x
    x = 197,221.82/369.74
  6. Step 6: Final answer
    x = 533.41

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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.