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Finding the Fourth Proportional to 369.98, 554.58 and 150.51

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Solution

The fourth proportional to 369.98, 554.58 and 150.51 is: 225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.98 : 554.58 = 150.51 : x
  2. Step 2: Convert to fraction form
    369.98/554.58 = 150.51/x
  3. Step 3: Cross multiply
    369.98x = 554.58 × 150.51
  4. Step 4: Simplify right side
    369.98x = 83,468.13
  5. Step 5: Solve for x
    x = 83,468.13/369.98
  6. Step 6: Final answer
    x = 225.60

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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.