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Finding the Fourth Proportional to 594.42, 891.09 and 305.25

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Solution

The fourth proportional to 594.42, 891.09 and 305.25 is: 457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.42 : 891.09 = 305.25 : x
  2. Step 2: Convert to fraction form
    594.42/891.09 = 305.25/x
  3. Step 3: Cross multiply
    594.42x = 891.09 × 305.25
  4. Step 4: Simplify right side
    594.42x = 272,005.22
  5. Step 5: Solve for x
    x = 272,005.22/594.42
  6. Step 6: Final answer
    x = 457.60

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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.