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Finding the Fourth Proportional to 430.25, 594.05 and 264.51

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Solution

The fourth proportional to 430.25, 594.05 and 264.51 is: 365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.25 : 594.05 = 264.51 : x
  2. Step 2: Convert to fraction form
    430.25/594.05 = 264.51/x
  3. Step 3: Cross multiply
    430.25x = 594.05 × 264.51
  4. Step 4: Simplify right side
    430.25x = 157,130.84
  5. Step 5: Solve for x
    x = 157,130.84/430.25
  6. Step 6: Final answer
    x = 365.21

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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.