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Finding the Fourth Proportional to 788.04, 1,088.40 and 592.44

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Solution

The fourth proportional to 788.04, 1,088.40 and 592.44 is: 818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    788.04 : 1,088.40 = 592.44 : x
  2. Step 2: Convert to fraction form
    788.04/1,088.40 = 592.44/x
  3. Step 3: Cross multiply
    788.04x = 1,088.40 × 592.44
  4. Step 4: Simplify right side
    788.04x = 644,811.70
  5. Step 5: Solve for x
    x = 644,811.70/788.04
  6. Step 6: Final answer
    x = 818.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.