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Finding the Fourth Proportional to 530.43, 795.75 and 287.24

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Solution

The fourth proportional to 530.43, 795.75 and 287.24 is: 430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.43 : 795.75 = 287.24 : x
  2. Step 2: Convert to fraction form
    530.43/795.75 = 287.24/x
  3. Step 3: Cross multiply
    530.43x = 795.75 × 287.24
  4. Step 4: Simplify right side
    530.43x = 228,567.25
  5. Step 5: Solve for x
    x = 228,567.25/530.43
  6. Step 6: Final answer
    x = 430.91

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