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Finding the Fourth Proportional to 1,062.95, 1,594.53 and 369.79

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Solution

The fourth proportional to 1,062.95, 1,594.53 and 369.79 is: 554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.95 : 1,594.53 = 369.79 : x
  2. Step 2: Convert to fraction form
    1,062.95/1,594.53 = 369.79/x
  3. Step 3: Cross multiply
    1,062.95x = 1,594.53 × 369.79
  4. Step 4: Simplify right side
    1,062.95x = 589,637.26
  5. Step 5: Solve for x
    x = 589,637.26/1,062.95
  6. Step 6: Final answer
    x = 554.72

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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.