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Finding the Fourth Proportional to 430.93, 594.03 and 306.19

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Solution

The fourth proportional to 430.93, 594.03 and 306.19 is: 422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.93 : 594.03 = 306.19 : x
  2. Step 2: Convert to fraction form
    430.93/594.03 = 306.19/x
  3. Step 3: Cross multiply
    430.93x = 594.03 × 306.19
  4. Step 4: Simplify right side
    430.93x = 181,886.05
  5. Step 5: Solve for x
    x = 181,886.05/430.93
  6. Step 6: Final answer
    x = 422.08

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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.