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Finding the Fourth Proportional to 430.79, 594.41 and 264.94

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Solution

The fourth proportional to 430.79, 594.41 and 264.94 is: 365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.79 : 594.41 = 264.94 : x
  2. Step 2: Convert to fraction form
    430.79/594.41 = 264.94/x
  3. Step 3: Cross multiply
    430.79x = 594.41 × 264.94
  4. Step 4: Simplify right side
    430.79x = 157,480.17
  5. Step 5: Solve for x
    x = 157,480.17/430.79
  6. Step 6: Final answer
    x = 365.57

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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.