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Finding the Fourth Proportional to 950.30, 1,424.55 and 364.94

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Solution

The fourth proportional to 950.30, 1,424.55 and 364.94 is: 547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.30 : 1,424.55 = 364.94 : x
  2. Step 2: Convert to fraction form
    950.30/1,424.55 = 364.94/x
  3. Step 3: Cross multiply
    950.30x = 1,424.55 × 364.94
  4. Step 4: Simplify right side
    950.30x = 519,875.28
  5. Step 5: Solve for x
    x = 519,875.28/950.30
  6. Step 6: Final answer
    x = 547.06

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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.